908396399 has 2 divisors, whose sum is σ = 908396400. Its totient is φ = 908396398.

The previous prime is 908396393. The next prime is 908396413. The reversal of 908396399 is 993693809.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 908396399 - 2²⁰ = 907347823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (908396393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454198199 + 454198200.

It is an arithmetic number, because the mean of its divisors is an integer number (454198200).

Almost surely, 2^908396399 is an apocalyptic number.

908396399 is a deficient number, since it is larger than the sum of its proper divisors (1).

908396399 is an equidigital number, since it uses as much as digits as its factorization.

908396399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2834352, while the sum is 56.

The square root of 908396399 is about 30139.6151103494. The cubic root of 908396399 is about 968.4825528020.

The spelling of 908396399 in words is "nine hundred eight million, three hundred ninety-six thousand, three hundred ninety-nine".